Abstract: A driver is configured to maintain a threshold compensation transistor to be ON to write a threshold compensation voltage to a storage capacitor in a threshold compensation period, and write a data signal to the storage capacitor in a data write period after the threshold compensation period. A pulse width of control signal is twice or more as long as the data write period. The driver circuit is configured to turn ON a first transistor with a start edge of a first control signal pulse before the data write period starts, maintain the first transistor to be ON and turn ON a second transistor with a start edge of a second control signal pulse to start the data write period, and turn OFF the first transistor with an end edge of the first control signal pulse to end the data write period.

Abstract: A display device includes a first display region and a second display region having a lower pixel density than the first display region. A first pixel circuit in the first display region includes a first drive transistor, a first storage capacitor that stores a control voltage of the first drive transistor, and a first switch transistor that writes a data signal to the first storage capacitor. A second pixel circuit in the second display region includes a second drive transistor, a second storage capacitor that stores a control voltage of the second drive transistor, and a second switch transistor that writes a data signal to the second storage capacitor. A channel width of the second drive transistor is greater than a channel width of the first drive transistor. A channel width of the second switch transistor is greater than a channel width of the first switch transistor.

Abstract: A light-emission control switch transistor and a threshold compensation switch transistor are transistors having different conductivity types. Gate potentials at the light-emission control switch transistor and the threshold compensation switch transistor are controlled using a first control signal. A gate potential at the data signal switch transistor is controlled using a second control signal. A control circuit selects rows sequentially. in a selected one of the rows, the light-emission control switch transistor is maintained off, the threshold compensation switch transistor is maintained on, and the data signal switch transistor is maintained off in a first period. In the selected row, the light-emission control switch transistor is maintained on, the threshold compensation switch transistor is maintained off, and the data signal switch transistor is maintained on in a second period after the first period.

Abstract: The display region includes a plurality of subpixel lines. Each of the plurality of subpixel lines include subpixels of a first color, subpixel pairs of a second color, and subpixels of a third color disposed cyclically one by one along a first axis. Between two adjacent subpixel lines, subpixels of the first color are disposed at different positions along the first axis. Between the two adjacent subpixel lines, subpixel pairs of the second color are disposed at different positions along the first axis. Between the two adjacent subpixel lines, subpixels of the third color are disposed at different positions along the first axis. The centroids of two subpixels constituting a subpixel pair of the second color are located at different positions when seen along the first axis and when seen along a second axis perpendicular to the first axis.

Abstract: A display device includes a display region including display pixels, a control circuit, a first power line pattern, and a second power line pattern. The display region includes a first region and a second region having a lower display pixel density than the first region. The control circuit is configured to supply pixel circuits in the first region with a first power supply potential through the first power line pattern, supply pixel circuits in the second region with a second power supply potential higher than the first power supply potential through the second power line pattern, and supply light-emitting elements of the display pixels in the second region with driving current higher than driving current for the display pixels in the first region for a same grayscale level specified in image data.

Abstract: For the first type of display pixel, a display device determines a luminance value assigned from a first frame pixel to the green subpixel, a luminance value assigned from the first frame pixel to each of the two red subpixels to be a value lower than a luminance value for one red subpixel, and a luminance value assigned from the first frame pixel to each of the two blue subpixels to be a value lower than a luminance value for one blue subpixel. For the second type of display pixel, the display device determines a luminance value assigned from a second frame pixel to each of the red subpixel and the blue subpixel, and a luminance value assigned from the second frame pixel to each of the two green subpixels to be a value lower than a luminance value determined for one green subpixel.

Abstract: For the first type of display pixel, a display device determines a luminance value assigned from a first frame pixel to the green subpixel, a luminance value assigned from the first frame pixel to each of the two red subpixels to be a value lower than a luminance value for one red subpixel, and a luminance value assigned from the first frame pixel to each of the two blue subpixels to be a value lower than a luminance value for one blue subpixel. For the second type of display pixel, the display device determines a luminance value assigned from a second frame pixel to each of the red subpixel and the blue subpixel, and a luminance value assigned from the second frame pixel to each of the two green subpixels to be a value lower than a luminance value determined for one green subpixel.

Abstract: A display device includes a display region including display pixels, dummy pixels disposed outside the display region, light blocking films covering the dummy pixels. The display region includes a first region and a second region having a lower display pixel density than the first region. A control circuit is configured to supply the display pixels in the second region with driving current higher than driving current for the first region for the same grayscale level specified in image data, supply each of the dummy pixels with the same data signal as a data signal for the associated display pixel in the second region, measure deterioration of the light-emitting element of each of the dummy pixels, and adjust data signals for the display pixels in the second region associated with the dummy pixels based on results of the measurement.

Abstract: A display device includes a display region including display pixels, a control circuit, a first power line pattern, and a second power line pattern. The display region includes a first region and a second region having a lower display pixel density than the first region. The control circuit is configured to supply pixel circuits in the first region with a first power supply potential through the first power line pattern, supply pixel circuits in the second region with a second power supply potential higher than the first power supply potential through the second power line pattern, and supply light-emitting elements of the display pixels in the second region with driving current higher than driving current for the display pixels in the first region for a same grayscale level specified in image data.

Abstract: An OLED display device includes a substrate, subpixel lines on the substrate and an applied-material separation layer on the substrate. Each of the subpixel lines includes subpixels of the same color disposed along a first axis. The applied-material separation layer has application separation openings. Each of the application separation openings includes subpixels of the same color that are consecutive in one subpixel line. Within each application separation opening, organic light-emitting films of the subpixels of the same color are connected by an organic light-emitting film made of the same material as material of the organic light-emitting films of the subpixels. Banks between application separation openings in each of the subpixel lines are different in position from banks between application separation openings in an adjacent subpixel line when seen along a second axis perpendicular to the first axis.

Abstract: A display device includes power lines, first driving transistors on a first side of each of the power lines, second driving transistors on a second side of each of the power lines, light-emitting elements of a first color, a second color and a third color. A first driving transistor of a first power line drives a light-emitting element of the first color. A second driving transistor of the first power line drives a light-emitting element of the second color. A first driving transistor of a second power line drives a light-emitting element of the third color. A second driving transistor of the second power line drives a light-emitting element of the second color. A first driving transistor of a third power line drives a light-emitting element of the first color. A second driving transistor of the third power line drives a light-emitting element of the third color.

Abstract: A display device includes pixels having different arrangements of subpixels and reducing a color edge. The display device includes a display unit where a plurality of first pixels including subpixels of three colors and second pixels including subpixels of the three colors are alternately arrayed in row and column directions, an arrangement of the subpixels in the first pixel and an arrangement of the subpixels in the second pixel differing from each other, and a luminance allocation unit allocating luminance of a subpixel of a first color among the three colors in the first pixel to a subpixel of the first color in the second pixel adjacent to the first pixel with a predetermined ratio and allocating luminance of the subpixel of the first color in the second pixel to the subpixel of the first color in the first pixel adjacent to the second pixel with a predetermined ratio.

Abstract: A display device includes a first polyimide layer, a first silicon oxide layer located above and in direct contact with the first polyimide layer, an amorphous silicon layer located above and in direct contact with the first silicon oxide layer, a second polyimide layer located above and in direct contact with the amorphous silicon layer, a plurality of light-emitting elements located above the second polyimide layer, a transistor array located above the second polyimide layer, the transistor array being configured to control light emission of the plurality of light-emitting elements, a transparent conductive layer located between the transistor array and the second polyimide layer, and a second silicon oxide layer located between and in direct contact with the transparent conductive layer and the second polyimide layer.

Abstract: A display device includes a display panel and a control circuit configured to process a signal for the display panel. The control circuit is configured to acquire respective gray levels specifying brightness for a plurality of subpixels in one subpixel row, determine correction amounts to the gray levels for the plurality of subpixels based on distribution of the gray levels and the individual gray levels for the plurality of subpixels, and correct the gray levels for the plurality of subpixels by the correction amounts.

Abstract: A display device includes a display panel including a plurality of panel pixel lines, and a controller configured to control the display panel. The controller is configured to receive image data for a picture frame, generate luminance data for the display panel from the image data, and modify the luminance data for the display panel by raising luminance values of a red subpixel and a blue subpixel adjacent along a first display line to a green subpixel located at an end of the first display line at outside of the first display line, the first display line being composed of a plurality of panel pixels consecutive in the first direction and assigned luminance values higher than 0.

Abstract: A display device includes a display panel in a delta-nabla arrangement and a controller for controlling the display panel. The controller is configured to receive image data for a picture frame, generate luminance data for the display panel from the image data; and modify the luminance data for the display panel by lowering a luminance value of a green subpixel located at an end of a first display line composed of a plurality of panel pixels consecutive in the first direction and assigned luminance values higher than 0.

Abstract: The display region includes a plurality of subpixel lines. Each of the plurality of subpixel lines include subpixels of a first color, subpixel pairs of a second color, and subpixels of a third color disposed cyclically one by one along a first axis. Between two adjacent subpixel lines, subpixels of the first color are disposed at different positions along the first axis. Between the two adjacent subpixel lines, subpixel pairs of the second color are disposed at different positions along the first axis. Between the two adjacent subpixel lines, subpixels of the third color are disposed at different positions along the first axis. The centroids of two subpixels constituting a subpixel pair of the second color are located at different positions when seen along the first axis and when seen along a second axis perpendicular to the first axis.

Abstract: A display apparatus includes: pixels arrayed in a non-rectangular display region in a first direction and a second direction; a scan line extending in the first direction and connected to a first pixel group extending in the first direction; an intersecting scan line including a first wiring and a second wiring, the first wiring extending in the first direction and connected to a second pixel group extending in the first direction, the second wiring extending in the second direction; a data line extending in the second direction and connected to a third pixel group extending in the second direction; a scan circuit group in a first side portion of an outer circumferential side of the display region and facing the scan line, and configured to output a scan signal to the scan line and to output a scan signal to the first wiring via the second wiring; and a data signal circuit group in a second side portion of the outer circumferential side and facing the first side portion, and configured to output a data signal

Abstract: Distances between lines passing through the centroids of pixels in each of pixel rows are uniform. In each pair consisting of two adjacent pixel rows, each pixel of the first color in first pixel row of the pair of the two pixel rows is located at the center in the first direction between pixels of the first color adjacent to each other in a second pixel row of the pair of the two pixel rows. The shortest distance between perimeters of a first pixel and a second pixel of the same color which is closest to the first pixel in an adjacent pixel row is a distance between a point where a line connecting the centroid of the first pixel and the centroid of the second pixel intersects with opposed sides of the first pixel and the second pixel.

Abstract: The object is providing an organic light emitting display device achieving a narrow bezel. A display device 10 has a first substrate 11, a second substrate 12, a sealant 25 sealing between the substrates, a display unit 15 including pixel circuits, a driving circuit 20 including a transistor for driving the pixel circuits, a first wiring unit for supplying voltage to the transistor, and a second wiring unit connecting between the transistor and the first wiring unit. The driving circuit 20 is disposed outside the display unit 15, the first wiring unit is disposed between the display unit 15 and the driving circuit 20, the display unit 15 and the first wiring unit are disposed between the first substrate 12 and the second substrate 12, the melting point of a second metal constituting the second wiring unit is higher than that of a first metal constituting the first wiring unit.